<?php

namespace backend\models;

use yii\base\Model;
use yii\data\ActiveDataProvider;
use backend\models\Diploma;

/**
 * DiplomaSearch represents the model behind the search form of `backend\models\Diploma`.
 */
class DiplomaSearch extends Diploma
{
    /**
     * {@inheritdoc}
     */
    public function rules()
    {
        return [
            [['ID', 'XXID', 'BJID', 'GRID', 'BYND'], 'integer'],
            [['XH', 'XSXM', 'XB', 'SFZHM', 'RXSJ', 'LXSJ', 'BYZBH', 'BYZ', 'FZRQ', 'ZT'], 'safe'],
            [['BXXF', 'XXXF'], 'number'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Diploma::find();

        // add conditions that should always apply here

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
        ]);

        $this->load($params);

        if (!$this->validate()) {
            // uncomment the following line if you do not want to return any records when validation fails
            // $query->where('0=1');
            return $dataProvider;
        }

        // grid filtering conditions
        $query->andFilterWhere([
            'ID' => $this->ID,
            'XXID' => $this->XXID,
            'BJID' => $this->BJID,
            'GRID' => $this->GRID,
            'RXSJ' => $this->RXSJ,
            'LXSJ' => $this->LXSJ,
            'BXXF' => $this->BXXF,
            'XXXF' => $this->XXXF,
            'BYND' => $this->BYND,
            'FZRQ' => $this->FZRQ,
        ]);

        $query->andFilterWhere(['like', 'XH', $this->XH])
            ->andFilterWhere(['like', 'XSXM', $this->XSXM])
            ->andFilterWhere(['like', 'XB', $this->XB])
            ->andFilterWhere(['like', 'SFZHM', $this->SFZHM])
            ->andFilterWhere(['like', 'BYZBH', $this->BYZBH])
            ->andFilterWhere(['like', 'BYZ', $this->BYZ])
            ->andFilterWhere(['like', 'ZT', $this->ZT]);

        return $dataProvider;
    }
}
